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Sample s_755
NavDat sample number 33831 · RHYODACITE
Sample
| Sample ID | s_755 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 42.88 |
|---|
| Longitude | -121.96 |
|---|
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT MAZAMA / PACIFIC OCEAN |
|---|
| State / province | OREGON |
|---|
| Location comment | CRATER LAKE, SCOTT CREEK |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.41 |
|
0.395 |
0.423 |
QUATERNARY |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 67.6 | | WT% | XRF |
| TIO2 | 0.52 | | WT% | XRF |
| AL2O3 | 15.5 | | WT% | XRF |
| FE2O3T | 3.44 | | WT% | XRF |
| CAO | 2.66 | | WT% | XRF |
| MGO | 1.04 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| K2O | 2.35 | | WT% | AES |
| NA2O | 4.62 | | WT% | AES |
| P2O5 | 0.12 | | WT% | XRF |
| LOI | 0.85 | | WT% | IGN |
| RB | 40 | | PPM | XRF |
| SR | 308 | | PPM | XRF |
| Y | 22 | | PPM | XRF |
| ZR | 206 | | PPM | XRF |
| BA | 786 | | PPM | XRF |
